Patent Assignment
Reel/Frame 004219/0121
Assignment of Assignors Interest.
Recorded: 1984-01-12
Pages: 1
Assignor
KELLER, FRANZ
Executed: 1983-12-21
Assignee
AMERICAN SCIENCE AND ENGINEERING, INC.
A MA CORP., FORT WASHINGTON, CAMBRIDGE, MASSACHUSETTS
Covered Property
(1)
Meter Transponder Hybrid
Patent:
4,638,314 →
Application:
06/570,118 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Nov 19, 1990
From: AMERICAN SCIENCE AND ENGINEERING, INC., A CORP. OF MA.
To: UNITED STATES TRUST COMPANY
Reel/Frame 005513/0323 →
Assignment of Assignor's Interest
May 25, 2000
From: CELLNET DATA SYSTEMS, INC.
To: SCHLUMBERGER RESOURCE MANAGEMENT SYSTEMS, INC.
Reel/Frame 010871/0652 →
Assignment of Assignor's Interest
Nov 30, 2000
From: UNITED STATES TRUST COMPANY
To: AMERICAN SCIENCE AND ENGINEERING, INC.
Reel/Frame 011137/0190 →
Corrective Assignment to Correct Assignee Name on Document Previously Recorded at Reel 010871,Frame 0652
Aug 6, 2004
From: CELLNET DATA SYSTEMS, INC.
To: SCHLUMBERGER RESOURCE MANAGEMENT SERVICES, INC.
Reel/Frame 015044/0904 →